Create reusable workflow for DCO

Signed-off-by: Vitaliy Potyarkin <v.potyarkin@yadro.com>

.forgejo/workflows/dco.yml

@@ -0,0 +1,26 @@
+# yamllint disable rule:truthy
+
+name: DCO check
+on:
+  workflow_call:
+
+jobs:
+  dco:
+    name: DCO
+    runs-on: docker
+    container:
+      image: node:22-bookworm
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.22'
+
+      - name: Run commit format checker
+        uses: https://git.frostfs.info/TrueCloudLab/dco-go@v3
+        with:
+          from: 'origin/${{ github.event.pull_request.base.ref }}'